1#! /bin/sh 2# runtest wrapper to reliably reproduce racy incomplete reads in the testsuite. 3 4# Copyright (C) 2013-2023 Free Software Foundation, Inc. 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18# This tool exercises any incomplete reads handling in the testsuite by 19# simulating read always returns just 1 character. 20# Testsuite incompatibilities are tracked as GDB PR testsuite/12649. 21 22# Example usage: 23# 24# bash$ cd $objdir/gdb/testsuite 25# bash$ EXPECT=$srcdir/gdb/contrib/expect-read1.sh runtest 26# or 27# bash$ EXPECT=../contrib/expect-read1.sh runtest 28 29C=`echo $0|sed 's/\.sh$/.c/'` 30if ! test -e $C; then 31 echo >&2 "$0: Cannot find 'srcdir/gdb/contrib/expect-read1.c' at '$C'." 32 exit 2 33fi 34SO=/tmp/expect-read1.$$.so 35rm -f $SO 36CMD="${CC_FOR_TARGET:-gcc} -o $SO -Wall -fPIC -shared $C" 37if ! $CMD; then 38 echo >&2 "$0: Failed: $CMD" 39 exit 2 40fi 41trap "rm -f $SO" EXIT 42LD_PRELOAD=$SO expect "$@" 43